Why Breasts Are So Important
17:50
Strength vs Hypertrophy: The Science of How to Build Muscle
20:19
The Science of Hydration: How Much Water You Really Need
9:03
Female Erections Part 2 - The G-Spot
13:53
Why Blood Pressure is So Important & How to Lower It
10:30
The Science Behind Ejaculation Frequency: Is More Actually Better?
30:16
🤣 "The Doctor’s Unexpected Diagnosis: A Wife’s Shocking Discovery" | BEST JOKES OF THE WEEK!
15:11
The Best Time to Have Sex... According to Science.
18:45